Related Experiment Video
Updated: Sep 11, 2025

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
Published on: December 14, 2017
Inadequate interactions between elements of SHEL in JAL516 collision with JA722A - lack of Safety-II approach in
Atsuo Murata1, Konrad Szocik2, Waldemar Karwowski3
1Department of Applied IT, University of Information Technology and Management, Rzeszów, Poland.
Abstract:
Based on the identified facts, inferences, and doubts about the collision between JAL516 and JA722A on January 2, 2024, this study attempted to explore why the miscommunication between air traffic control (ATC) and JA722A was not compensated by other actors (ATC and JAL516) from the perspective of the inadequacy of interactions between related actors (JA722A, JAL516, and ATC) and each element (Software, Hardware, Environment, and Liveware) of the SHEL model. We also demonstrated that safety management at Haneda Airport was apparently lacking in Safety-II and pre-mortem approaches. Based on such an approach to the interaction analysis of the collision, the progress report of the Japan Transport Safety Board, and the interim report of the CPAC (Committee for Proposing Accident Countermeasures), we discuss why the collision occurred (why the misunderstanding of JA722A was not corrected by ATC and JAL516) and how similar collisions should be avoided during landing and takeoff.
Related Concept Videos
Types of Collisions - II
Types Of Collisions - I
Radial System Protection
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
Elastic Collisions: Case Study
Constraints and Statical Determinacy
Elastic Collisions: Introduction

